src/java.net.http/share/classes/jdk/internal/net/http/common/HttpHeadersImpl.java
author chegar
Tue, 17 Apr 2018 08:54:17 -0700
changeset 49765 ee6f7a61f3a5
parent 48083 src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/internal/common/HttpHeadersImpl.java@b1c1b4ef4be2
child 56451 9585061fdb04
permissions -rw-r--r--
8197564: HTTP Client implementation Reviewed-by: chegar, dfuchs, michaelm, prappo Contributed-by: Chris Hegarty <chris.hegarty@oracle.com>, Daniel Fuchs <daniel.fuchs@oracle.com>, Michael McMahon <michael.x.mcmahon@oracle.com>, Pavel Rappo <pavel.rappo@oracle.com>
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     1
/*
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
     2
 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     4
 *
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     7
 * published by the Free Software Foundation.  Oracle designates this
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
     9
 * by Oracle in the LICENSE file that accompanied this code.
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    10
 *
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    15
 * accompanied this code).
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    16
 *
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    20
 *
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    21
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    22
 * or visit www.oracle.com if you need additional information or have any
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    23
 * questions.
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    24
 */
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    25
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    26
package jdk.internal.net.http.common;
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    27
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    28
import java.net.http.HttpHeaders;
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    29
import java.util.ArrayList;
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    30
import java.util.Collections;
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    31
import java.util.List;
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    32
import java.util.Map;
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    33
import java.util.TreeMap;
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    34
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    35
/**
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    36
 * Implementation of HttpHeaders.
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    37
 *
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    38
 * The public HttpHeaders API provides a read-only view, while the
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    39
 * non-HttpHeaders members allow for implementation specific mutation, e.g.
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    40
 * during creation, etc.
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    41
 */
48083
b1c1b4ef4be2 8191494: Refresh incubating HTTP Client
chegar
parents: 47216
diff changeset
    42
public class HttpHeadersImpl extends HttpHeaders {
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    43
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    44
    private final TreeMap<String, List<String>> headers;
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    45
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    46
    public HttpHeadersImpl() {
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    47
        headers = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    48
    }
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    49
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    50
    @Override
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    51
    public Map<String, List<String>> map() {
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    52
        return Collections.unmodifiableMap(headersMap());
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    53
    }
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    54
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    55
    // non-HttpHeaders private mutators
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    56
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    57
    public HttpHeadersImpl deepCopy() {
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    58
        HttpHeadersImpl h1 = newDeepCopy();
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    59
        for (Map.Entry<String, List<String>> entry : headersMap().entrySet()) {
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    60
            List<String> valuesCopy = new ArrayList<>(entry.getValue());
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    61
            h1.headersMap().put(entry.getKey(), valuesCopy);
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    62
        }
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    63
        return h1;
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    64
    }
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    65
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    66
    public void addHeader(String name, String value) {
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    67
        headersMap().computeIfAbsent(name, k -> new ArrayList<>(1))
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    68
                    .add(value);
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    69
    }
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    70
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    71
    public void setHeader(String name, String value) {
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    72
        // headers typically have one value
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    73
        List<String> values = new ArrayList<>(1);
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    74
        values.add(value);
49765
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    75
        headersMap().put(name, values);
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    76
    }
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    77
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    78
    public void clear() {
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    79
        headersMap().clear();
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    80
    }
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    81
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    82
    protected HttpHeadersImpl newDeepCopy() {
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    83
        return new HttpHeadersImpl();
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    84
    }
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    85
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    86
    protected Map<String, List<String>> headersMap() {
ee6f7a61f3a5 8197564: HTTP Client implementation
chegar
parents: 48083
diff changeset
    87
        return headers;
42460
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    88
    }
7133f144981a 8170648: Move java.net.http package out of Java SE to incubator namespace
michaelm
parents:
diff changeset
    89
}